<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Surface - ECHARTS-GL</title>
        <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
        <meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS -->
        <link rel="stylesheet" href="./common.css">
    </head>
    <body>
        <div id="main"></div>
        <script src="../node_modules/echarts/dist/echarts.js"></script>
        <script src="../dist/echarts-gl.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script>
            var chart = echarts.init(document.getElementById('main'));

            chart.setOption({
                backgroundColor: '#fff',
                xAxis3D: {},
                yAxis3D: {},
                zAxis3D: {},
                grid3D: {
                    light: {
                        main: {
                            intensity: 0.7,
                            shadow: true
                        }
                    },
                    viewControl: {
                    }
                },
                series: [{
                    type: 'surface',
                    shading: 'lambert',
                    lambertMaterial: {
                        detailTexture: 'asset/woods.jpg',
                        // textureTiling: 4
                    },
                    wireframe: {
                        show: true
                    },
                    itemStyle: {
                        color: '#fff'
                    },
                    equation: {
                        x: {
                            step: 0.05
                        },
                        y: {
                            step: 0.05
                        },
                        z: function (x, y) {
                            if (Math.abs(x) < 0.1 && Math.abs(y) < 0.1) {
                                return '-';
                            }
                            return Math.sin(x * Math.PI) * Math.sin(y * Math.PI);
                        }
                    }
                }]
            });

            window.addEventListener('resize', function () {
                chart.resize();
            });

        </script>
    </body>
</html>